結果

問題 No.500 階乗電卓
ユーザー mnznmnzn
提出日時 2019-12-30 16:43:07
言語 C#(csc)
(csc 3.9.0)
結果
WA  
実行時間 -
コード長 4,973 bytes
コンパイル時間 2,942 ms
コンパイル使用メモリ 108,160 KB
実行使用メモリ 19,584 KB
最終ジャッジ日時 2024-11-08 18:51:51
合計ジャッジ時間 4,552 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 28 ms
19,456 KB
testcase_01 AC 29 ms
19,328 KB
testcase_02 AC 28 ms
19,328 KB
testcase_03 AC 29 ms
19,456 KB
testcase_04 AC 26 ms
18,816 KB
testcase_05 AC 27 ms
18,816 KB
testcase_06 AC 27 ms
18,944 KB
testcase_07 AC 28 ms
18,816 KB
testcase_08 AC 27 ms
18,944 KB
testcase_09 AC 27 ms
18,944 KB
testcase_10 AC 27 ms
19,072 KB
testcase_11 AC 26 ms
18,944 KB
testcase_12 AC 26 ms
18,816 KB
testcase_13 WA -
testcase_14 AC 26 ms
18,944 KB
testcase_15 AC 27 ms
19,072 KB
testcase_16 AC 30 ms
19,328 KB
testcase_17 AC 29 ms
19,456 KB
testcase_18 AC 29 ms
19,200 KB
testcase_19 AC 30 ms
19,584 KB
testcase_20 AC 28 ms
19,072 KB
testcase_21 AC 29 ms
19,328 KB
testcase_22 AC 28 ms
19,200 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc)
Copyright (C) Microsoft Corporation. All rights reserved.

ソースコード

diff # 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

class Program
{
    static void Main(string[] args)
    {
        checked
        {
            var N = sc.ReadLong();
            long now = 1;
            var zcount = 0;
            //ulong ans1 = 1;
            //for (ulong i = 1; i <= (ulong)N; i++)
            //{
            //    ans1 *= i;
            //    while (ans1 % 10 == 0)
            //    {
            //        ans1 /= 10;
            //    }
            //}
            //Console.WriteLine(ans1);

            for (int i = 1; i <= Math.Min(1000, N); i++)
            {
                now *= i;
                while (now % 10 == 0)
                {
                    now /= 10;
                    zcount++;
                }
                now %= (long)Math.Pow(10, 12 - zcount);
                if (zcount >= 12) break;
            }
            zcount = Math.Min(12, zcount);
            var ans = now.ToString() + new string('0', zcount);
            if (ans.Length > 12)
            {
                ans = new string(ans.Skip(ans.Length - 12).ToArray());
            }
            if (N > 20)
            {
                ans = ans.PadLeft(12, '0');
            }
            Console.WriteLine(ans);
        }
    }
    static Scanner sc = new Scanner();
}
class Scanner
{
    string[] S = new string[0];
    int Index = 0;
    char[] Separators = new char[] { ' ' };

    public string Next()
    {
        if (this.Index < this.S.Length) return this.S[this.Index++];
        var line = "";
        while (line == "") line = Console.ReadLine();
        this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries);
        if (this.S.Length == 0) return this.Next();
        this.Index = 0;
        return this.S[this.Index++];
    }
    public string ReadStr()
    {
        return this.Next();
    }
    public char ReadChar()
    {
        return this.Next()[0];
    }
    public int ReadInt()
    {
        return int.Parse(this.Next());
    }
    public uint ReadUInt()
    {
        return uint.Parse(this.Next());
    }
    public long ReadLong()
    {
        return long.Parse(this.Next());
    }
    public double ReadDouble()
    {
        return double.Parse(this.Next());
    }
    public Tuple<int, int> ReadTup(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add);
    }
    public Tuple<long, long> ReadTupLong(int add = 0)
    {
        return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add);
    }
    public Tuple<int, int, int> ReadTup3(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
    }
    public Tuple<int, int, int, int> ReadTup4(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
    }
    public int[] ReadIntArray(int n)
    {
        var array = new int[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadInt();
        }
        return array;
    }
    public long[] ReadLongArray(int n)
    {
        var array = new long[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadLong();
        }
        return array;
    }
    public double[] ReadDoubleArray(int n)
    {
        var array = new double[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadDouble();
        }
        return array;
    }
    public char[] ReadCharArray(int n)
    {
        var array = new char[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadChar();
        }
        return array;
    }
    public string[] ReadStrArray(int n)
    {
        var array = new string[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadStr();
        }
        return array;
    }
    public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0)
    {
        var array = new Tuple<long, long>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTupLong(add);
        }
        return array;
    }
    public Tuple<int, int>[] ReadTupArray(int n, int add = 0)
    {
        var array = new Tuple<int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup(add);
        }
        return array;
    }
    public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0)
    {
        var array = new Tuple<int, int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup3(add);
        }
        return array;
    }
    public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0)
    {
        var array = new Tuple<int, int, int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup4(add);
        }
        return array;
    }
}
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